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arXiv 1906.09182cs.DC
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联合云的VM映像存储库和分发模型:最新技术、可能的方向和未决问题

VM Image Repository and Distribution Models for Federated Clouds: State of the Art, Possible Directions and Open Issues

Nishant Saurabh, Dragi Kimovski, Simon Ostermann, Radu Prodan

摘要:

联合云模型的新兴趋势将虚拟化作为一个重要概念,为最终用户提供大规模分布式基础设施即服务协作范例。虚拟化利用从标记为VM映像(VMI)的用户特定模板实例化的虚拟机(VM)。从这个意义上说,快速调配具有不同用户请求的虚拟机,确保跨多个云提供商的服务质量(QoS)在很大程度上取决于映像存储库架构和分发策略。我们讨论了VMI存储库和分发机制中可能的最新技术,以在联合云中实现高效的VM配置。此外,我们还介绍和比较了这一领域的各种代表性系统。此外,我们定义了一个设计空间,确定当前的限制,挑战和开放趋势的VMI存储库和分布技术在联邦基础设施。

英文摘要:

The emerging trend of Federated Cloud models enlist virtualization as a significant concept to offer a large scale distributed Infrastructure as a Service collaborative paradigm to end users. Virtualization leverage Virtual Machines (VM) instantiated from user specific templates labelled as VM Images (VMI). To this extent, the rapid provisioning of VMs with varying user requests ensuring Quality of Service (QoS) across multiple cloud providers largely depends upon the image repository architecture and distribution policies. We discuss the possible state-of-art in VMI storage repository and distribution mechanisms for efficient VM provisioning in federated clouds. In addition, we present and compare various representative systems in this realm. Furthermore, we define a design space, identify current limitations, challenges and open trends for VMI repositories and distribution techniques within federated infrastructure.

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